You can tell what kinds of things they can and cannot digest.
What is the difference between the digestive system of a camel and the digestive system of man?
The pellets of any owl can help us (by which i mean scientist) learn more about owls because we know what they eat and we learn about their digestive system.
Good respiratory system imoroves digestive system. People who does pranayama will know the results
The stomach is an organ in the digestive system.
There are indeed a few reasons why this may be, but I do know that birds have a crude digestive system, and as you are referring to lead pellets you must be a hunter, as I am myself. Swans probably eat led pellets either thinking they are a source of nutrient or to aid in their digestion, though they lack the brain capacity to tell what is what.
its not :(
The digestive system
A polar bear's digestive system is a digestive system and a humming bird is a humming bird.
i dont know science
so they know if the patients digestive system is working properly
I don't know but you can read it on a book about the dygestive system or the body system.
Soft tissues, like those of the digestive system, do not fossilize. Thus, we don't know much of anything about Triceratops's digestive system. We do know that they were herbivorous, however, and that they probably ate relatively fibrous vegetation.